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Finding the Fourth Proportional to 1,057.23, 1,586.03 and 363.96

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Solution

The fourth proportional to 1,057.23, 1,586.03 and 363.96 is: 546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.23 : 1,586.03 = 363.96 : x
  2. Step 2: Convert to fraction form
    1,057.23/1,586.03 = 363.96/x
  3. Step 3: Cross multiply
    1,057.23x = 1,586.03 × 363.96
  4. Step 4: Simplify right side
    1,057.23x = 577,249.66
  5. Step 5: Solve for x
    x = 577,249.66/1,057.23
  6. Step 6: Final answer
    x = 546.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.